Structure Of Atom Question 8
Question 8 - 2024 (29 Jan Shift 1)
The correct set of four quantum numbers for the valence electron of rubidium atom $(Z=37)$ is:
(1) $5,0,0,+\frac{1}{2}$
(2) $5,0,1,+\frac{1}{2}$
(3) $5,1,0,+\frac{1}{2}$
(4) $5,1,1,+\frac{1}{2}$
Show Answer
Answer (1)
Solution
$\mathrm{Rb}=[\mathrm{Kr}] 5 \mathrm{~s}^{1}$
$\mathrm{n}=5$
$l=0$
$\mathrm{m}=0$
$\mathrm{s}=+1 / 2$ or $-1 / 2$
